Home / 10,370,855.20-15,570,279.60-8,243,341.60

Finding the Fourth Proportional to 10,370,855.20, 15,570,279.60 and 8,243,341.60

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Solution

The fourth proportional to 10,370,855.20, 15,570,279.60 and 8,243,341.60 is: 12,376,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,855.20 : 15,570,279.60 = 8,243,341.60 : x
  2. Step 2: Convert to fraction form
    10,370,855.20/15,570,279.60 = 8,243,341.60/x
  3. Step 3: Cross multiply
    10,370,855.20x = 15,570,279.60 × 8,243,341.60
  4. Step 4: Simplify right side
    10,370,855.20x = 128,351,133,550,311.34
  5. Step 5: Solve for x
    x = 128,351,133,550,311.34/10,370,855.20
  6. Step 6: Final answer
    x = 12,376,137.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.